bonds / 5Y / JGB (5-Year) No. 181
Bond Information
| Name | JGB (5-Year) No. 181 |
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| ISIN | — |
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| Issue # | 181 |
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| Coupon (%) | 1.3% semi-annual |
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| Issue Date | 2025-10-10 |
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| Maturity | 2030-09-20 （Remaining 4y） |
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| Outstanding | ¥4.7T （2026-03-31・MOF） |
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| SLF usage | last 30d —／ total ¥189.6B（last 2026-06-25・BOJ） |
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| BOJ Holding | ¥960.8B（20.6%）（as of 2026-08-31・Source: BOJ・Ratios approximate due to differing as-of dates） |
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| Status | active |
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Results
Yield Calculator (price input) | Simple Yield | 1.300 % |
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| Compound Yield | 1.2978 % |
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| Accrued Interest | 0.630411 (177 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 3.88 |
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| Macaulay Duration | 3.91 |
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| DV01 | — |
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| Convexity | 17.3 |
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Estimates based on the input price.
Cashflow Schedule
| Date | Type | Amount (per 100) |
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| 2026-09-20 | coupon | 0.650 |
| 2027-03-20 | coupon | 0.650 |
| 2027-09-20 | coupon | 0.650 |
| …（4 omitted）… |
| 2030-03-20 | coupon | 0.650 |
| 2030-09-20 | coupon + redemption | 100.650 |
Related Auctions
Horizon total return settle 2026-09-13 ・ CMT 2026-09-10
| CMT interpolated (rem 4.0y) | 2.126 % → ref. price 96.822 |
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| G-spread (vs interpolated CMT) | — |
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| Horizon | Scenario | Yield@H | Price@H | Carry | Total return | Ann. |
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| 3m 2026-12-13 | -50bp | 1.585 | 98.956 | -0.331 | +1.85% | +7.40% |
| -25bp | 1.835 | 98.054 | -0.331 | +0.92% | +3.70% |
| Unchanged (roll-down) | 2.085 | 97.162 | -0.331 | +0.01% | +0.04% |
| +25bp | 2.335 | 96.279 | -0.331 | -0.90% | -3.59% |
| +50bp | 2.585 | 95.405 | -0.331 | -1.79% | -7.18% |
| 6m 2027-03-13 | -50bp | 1.543 | 99.165 | 0.639 | +3.06% | +6.12% |
| -25bp | 1.793 | 98.319 | 0.639 | +2.19% | +4.38% |
| Unchanged (roll-down) | 2.043 | 97.481 | 0.639 | +1.33% | +2.66% |
| +25bp | 2.293 | 96.651 | 0.639 | +0.48% | +0.96% |
| +50bp | 2.543 | 95.829 | 0.639 | -0.36% | -0.73% |
| 12m 2027-09-13 | -50bp | 1.457 | 99.527 | 1.300 | +4.11% | +4.11% |
| -25bp | 1.707 | 98.796 | 1.300 | +3.36% | +3.36% |
| Unchanged (roll-down) | 1.957 | 98.071 | 1.300 | +2.62% | +2.62% |
| +25bp | 2.207 | 97.353 | 1.300 | +1.88% | +1.88% |
| +50bp | 2.457 | 96.640 | 1.300 | +1.15% | +1.15% |